Responses
He didn't. The pink slut did. Danqing didn't know about it. He just discovered when they tested him. It's not 100% his fault. Why don't you blame bailang too? Bailang treats him like a slave. Both brothers are the same. Bailang shouldn't permanently mark xiaobei when xiaobei is unconscious. They should fight fair and square.
Did bailang permanently mark him? Poor danqing, he was too happy to know xiaobei is his mate but bailang snatch and permanently mark him... I'm not sure this anymore.